Initial refactoring, passing tests
Merge pull request #47 from Nominalista/dev

Initial refactoring, passing tests
Renaming variables, getters and setters mainly in GNGAlgorithm
Renaming variables, getters and setters mainly in GNGAlgorithm 2
Renaming variables, getters and setters mainly in GNGAlgorithm
* Updated R API partially
* Updated tests
Main constructor designed, testing
Merge branch 'dev' of http://github.com/kudkudak/Growing-Neural-Gas into dev

Conflicts:
	src/gng/GNGAlgorithm.cpp
Merge branch 'dev' of https://github.com/Nominalista/Growing-Neural-Gas into dev

Conflicts:
	inst/include/gng/GNGGraph.h
	src/gng/GNGAlgorithm.cpp
	tests/cpp/gng/basic_integration_tests.cpp
Simple renaming
Merge pull request #50 from Nominalista/dev

Thanks!
* Added new error calculation
* Refactored large portion of code
Few updates
Merge branch 'dev' of http://github.com/kudkudak/Growing-Neural-Gas into dev

Conflicts:
	inst/include/gng/GNGAlgorithm.h
	inst/include/gng/GNGGraph.h
	inst/include/gng/GNGServer.h
	src/gng/GNGAlgorithm.cpp
	tests/cpp/gng/basic_integration_tests.cpp
* Changed API
* Changed 2/3 tests
* Refactoring GNGDataset.h
Refactored GNGDataset
Rewritten parts_test
* Updated tests
* Added exemplary script
* Fixed terminate bug
Rewritten API